Chrysoprase, with its vibrant apple green color, is beautiful. Also known as Australian jade, its beautiful green color has been loved since ancient times as an amulet and gemstone. There is also an anecdote that Alexander the Great, the king of ancient Macedonia, wore it. It is a popular power stone as a stone for opening up talents and relieving stress and negative emotions. Size: Approximately 7.5mm (±0.5mm) Inner circumference: Approximately 15.5 cm Origin: Australia * Natural stones born from nature may contain inclusions, cracks, and some chips. We appreciate your understanding. Also, there is no effect as a power stone. * Due to the nature of natural stones, the color, pattern, and shape may differ slightly. * Product images are taken of the actual product. * The color may appear slightly different from the actual product depending on your screen and environment.